June 2016

Maintenance and Reliability

Improve refinery compressor performance with a reengineered rotor

When a scheduled maintenance task at a refinery in Germany revealed the need for a new rotor assembly, working with local independent specialists enabled the team responsible to improve the design and performance of the compressor without further interruption to service.

de Koning, B., Sulzer Rotterdam Service Center

Large centrifugal impeller compressors are commonplace throughout the petrochemical sector, where they usually operate on a continuous-duty basis. When a scheduled maintenance task at a refinery in Germany revealed the need for a new rotor assembly, working with local independent specialists enabled the team responsible to improve the design and performance of the compressor without further interruption to service. The individual roles of centrifugal compressors are many and varied, depending on the process in question, but one constant remains—the need to perform reliably. Rigorous maintenance schedules and condition monitoring are usually used to ensure that reliability and efficiency are

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